This is one of the headline lots for 2014. A similar 250 LM with an extensive racing career sold at auction in 2013 for $14,300,000 (£8,400,000).

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RM Auctions

Steve McQueen purchased this Ferrari in 1967 and was subsequently owned by fellow actor Guy Williams. The car has been fully restored and certified by Ferrari Classiche and is currently displayed at the Museo de Ferrari.

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RM Auctions

This one-off Ferrari was rebodied in 1966 by Fantuzzi and was class winner at this year’s Palm Beach Cavallino Classic. It is also the car that was displayed at the New York, San Francisco and Miami International Auto Shows.

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RM Auctions

The Vector W8 was a long time in the making. Two decades of design and development led to this 1992 model, one of only 22 ever built. Described by some as “America’s Forgotten Supercar”, another example previously sold for £178,200 at auction.

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RM Auctions

Used by Shelby American for testing and development, this car is number 8 of 12 GT40 prototypes built. Previously driven by Ken Miles, Carroll Shelby and Jim Clark, it has been in single ownership for more than 20 years.

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RM Auctions

The Auburn Speedster was the last car to be produced by the company, which ceased trading in 1937. This model was it’s most advanced, with a radical design featuring swept-back lines and flashes of chrome. Estimates for similar examples at auction range from $250,000-$450,000 (£147,000-£265,000).

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RM Auctions

Offered from a prominent collection, this Bentley is a one-off bespoke design by coachbuilders Barker – one of only two 8-litres bodied by the company. It is said to be one of the greatest coach-built Bentley models in existence.

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RM Auctions

The 57C is seen as the most sporting of all non-racing Bugattis. More than 680 examples have been produced in various body styles that largely focus on refinement, but retaining the engineering values that Bugatti is known for.

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RM Auctions

The Type 135 was first introduced in Paris in 1935 and was seen as something of a sensation with a sporting chassis, light steering and a smooth gearbox. Coachwork by Chapron marks out a Delahaye, with previous examples selling for £69,000 at Monaco in 2010.

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RM Auctions

Sharing the shorter wheelbase and independent rear suspension of the 275, the 330 GTC was more refined and easier to drive than previous models. This car features classic Pininfarina styling and comes from a prominent collection.

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RM Auctions

Being sold as a pair, these cars only underline the diversity of the range of cars being auctioned at Monterey. The 600 Multipla could seat up to six passengers in a footprint of just 50cm longer than the original Mini Cooper, while the Jolly was built in limited numbers and designed as a luxury vehicle for wealthy Europeans and the US.

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RM Auctions

The XK120 debuted at the 1948 Earls Court Motor Show, causing a sensation amongst visitors. The car set new standards for comfort, road holding and performance for British sports cars and nothing could touch it at the price it was sold at. Examples often sell for approximately $100,000 (£58,000).

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RM Auctions

One of only three distinctive spiders built by Pininfarina, the model offered for auction at Monterey has been under single ownership for the last 46 years. Additionally, since undergoing a recent, extensive restoration it has become a multiple award-winning car.

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RM Auctions

One of only three examples designed by Pietro Frua, the Maserati 5000 GT was produced between 1959-1965. The model was popular with celebrity buyers, with prices increasing in recent years to as much as $1.2 million (£706,000) at auction.

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RM Auctions

A one-of-a-kind, the 540 K Special Cabriolet was a unique commission for American aristocrat William A.M. Burden, Jr. It is a well-known, respected and award-winning restoration.

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RM Auctions

Having been owned by the family of Henry Austin Clark Jr since 1949, this car is a well-known participant in many early veteran and vintage meets.

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RM Auctions

Porsche built a total of 2104 911 Speedsters and the car has become popular with collectors. Only a handful trade hands every year and can reach prices upwards of $120,000 (£70,600) for examples in excellent condition.

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RM Auctions

The SS 100 is one of the rarest of its kind, with only 116 models produced like the one at auction in Monterey. With exclusivity ensured, a similar model sold earlier this year for $852,500 (£501,000) at RM’s Arizona auction.

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RM Auctions

The Tucker 48 was conceived as a vision for the future, with revolutionary safety features and contemporary design. Sadly, the company did not survive and only 51 models were produced. The significance of the car remains, even if the company did not succeed.

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RM Auctions

Instantly recognisable, the Volkswagen Micro Bus is an interesting addition to the usual line-up of Ferraris, Aston Martins and Porsches often featuring at auctions. Models such as this in excellent, restored condition can fetch around $55,000 dollars (£32,500).